BMW Mini Cooper One D R55 R56 W16 Screw Bolt Mounting Vacuum Pump

The BMW Mini Cooper One D R55 R56 Vacuum Pump Mounting Bolt is an original mounting component designed for the vacuum system in Mini engine models. Thanks to its precise fit to the factory vacuum pump, it ensures stable mounting, proper operation of the brake assist system, and safe vehicle use. This solution is particularly useful when servicing or replacing the vacuum pump in diesel engines.

Specifications and technical data

• SKU: 7806043
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7806043
• Substitutable numbers: 11667806043, 7806043
• Category: Other Interior Parts & Accessories

Application in BMW Mini Cooper One D R55 R56

The described bolt is designed as a mounting element for the vacuum pump in the W16 engine used in the Mini Cooper One D R55 and R56 models. Its geometry, working length, and thread type are adapted to the factory sockets in the cylinder head and pump housing, allowing for trouble-free installation without modifications or fitting aftermarket alternatives.

Proper tightening of this bolt is crucial for maintaining the seal between the pump and the engine, and thus for the stable generation of vacuum used by, among others, the braking system. Using a dedicated mounting component reduces the risk of play, micro-movements, and leaks, which can lead to a decrease in brake assist effectiveness.

Construction and Role of the Mounting Element

The vacuum pump mounting bolt in Mini serves as a precision connector between the pump housing and the engine unit. The element's design is optimized for:

• resistance to mechanical loads resulting from engine operation and vibrations,
• stable pressing of the pump against the mounting surface,
• maintaining axial alignment and the correct position of the vacuum pump.

The appropriately selected material and factory quality of workmanship contribute to maintaining the correct tightening torque over a longer period of operation. This ensures the pump remains securely mounted and the vacuum system operates predictably.

Benefits of Using an Original Mini Component

Using an original mounting bolt in the Mini vacuum system translates into a number of practical service and operational benefits:

• Factory Fit – no need to modify threads, washers, or bolt length, which reduces installation time.
• Consistency with service documentation – ability to use recommended tightening torques according to manufacturer procedures.
• Reduced risk of damage to threaded sockets in the cylinder head or pump housing by using the correct type of fastener.
• Stable vacuum pump operation, which promotes predictable performance of brake assist and other vacuum consumers.

For workshops specializing in Mini service and for owners who care about compliance with factory specifications, choosing such a mounting element is a technically safe and predictable solution.

Condition, Origin, and Application in Service Practice

The offered bolt comes from the original Mini line and is a used part, making it an attractive cost-effective alternative while maintaining compliance with factory standards. This type of component is particularly useful in situations where the existing fastener is damaged or worn during vacuum pump removal, and it is necessary to quickly restore the system's full functionality.

In service practice, the bolt can be used both when replacing the vacuum pump and when working on sealing the connection between the pump and the engine. Using an original mounting component reduces the risk of problems with threads, incorrect length, or improper clamping, which is a common issue with randomly chosen aftermarket alternatives.

Related Elements and Further Technical Knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other elements from the same group, such as additional mounting bolts, brackets, or small mounting parts, check the available parts in the Other Mini category.

When selecting components for the powertrain and braking system, it is worth expanding your knowledge about the design differences between standard and sport versions – a good starting point would be the article Audi RS vs. Other Models – What's Under the Hood and Chassis?, which discusses the impact of technical solutions on vehicle performance and characteristics.

If you are considering using aftermarket parts for your car and want to consciously compare them with new components, the guide Car Parts – New or Used? Comparing Costs, Quality, and Durability, which discusses the practical aspects of choosing used mounting and operational elements, may be helpful.